undercover
                                                    英 [ʌndə'kʌvə; 'ʌndə-]
                                                                        美 ['ʌndɚ'kʌvɚ]
                        
                
                
                
                
                    
                                    
                
                                                                                                        undercover 英文词源
                
                
                    
                        - undercover (adj.)
- 1854, "sheltered," from under + cover (n.). Sense of "operating secretly" attested from 1920.
 
                
                                                    undercover 双语例句
                
                
                    1. Swanson persuaded Hubley to work undercover to capture the killer.  斯旺森说服赫布利去做卧底以便将凶手抓获。 来自柯林斯例句
 - 2. Officers had tailed the gang from London during a major undercover inquiry. 
- 在一次重大的秘密调查行动中,警察从伦敦就盯上了那帮匪徒。
来自柯林斯例句
 
- 3. Journalists informed police who planted an undercover detective to trap Smith. 
- 记者通知了警方,后者于是为诱捕史密斯而安插了一名卧底侦探。
来自柯林斯例句
 
- 4. Undercover officers found drug-making equipment used to impregnate paper with LSD. 
- 卧底警官发现了用于使迷幻药浸透到纸里的毒品制造设备。
来自柯林斯例句
 
- 5. You can spot undercover cops a mile off. 
- 你一眼就可以认出便衣警察。
来自柯林斯例句